January 6, 2016 Graphic Revenues received by the federal government in 2015 totaled $3.2 trillion, of which $1.5 trillion was receipts of individual income taxes. View Document129.05 KB Summary Related Publications Discretionary Spending in 2015: An InfographicJanuary 6, 2016 Mandatory Spending in 2015: An InfographicJanuary 6, 2016 The Federal Budget in 2015: An InfographicJanuary 6, 2016